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(11)

EP 3 669 084 A1

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(43) Date of publication: 24.06.2020 Bulletin 2020/26 (21) Application number: 18772966.0 (22) Date of filing: 17.08.2018

(51) International Patent Classification (IPC):  F15B 13/02(2006.01) F15B 20/00(2006.01) F15B 13/04(2006.01) (86) International application number: PCT/US2018/046839 (87) International publication number: WO 2019/036561 (21.02.2019 Gazette 2019/08)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 18.08.2017 US 201715680527 (71) Applicant: Expro Americas, LLC Houston, Texas 77079 (US)	(72) Inventors: PARTHASARATHY, Anand Cypress, Texas 77429 (US) CHARLES, Scott Houston, Texas 77065 (US) (74) Representative: Schmitt-Nilson Schraud Waibel Wohlfrom Patentanwälte Partnerschaft mbB  Pelkovenstraße 143 80992 München 80992 München (DE)